The use of the Valsalva-EKG test for differentiation of functional from organic t-wave abnormalities.
D000293:Adolescent; D000328:Adult; D001341:Autonomic Nervous System / Q000503:physiopathology; D003327:Coronary Disease / Q000503:physiopathology; D004562:Electrocardiography; D005260:Female; D006331:Heart Diseases / Q000503:physiopathology; D006801:Humans; D006985:Hyperventilation / Q000503:physiopathology; D008297:Male; D009449:Neurocirculatory Asthenia / Q000503:physiopathology; D009497:Neurotic Disorders / Q000503:physiopathology; D014636:Valsalva Maneuver / Q000706:statistics & numerical data*; D014777:Virus Diseases / Q000503:physiopathology